What is the cheapest airline that flies from Nashville Intl to Idaho?

American Airlines, Delta, and Alaska Airlines are the most popular carriers operating from Nashville Intl to Idaho

What airlines fly to Idaho?

Delta, Southwest and United Airlines are the top three most popular airlines that fly to Idaho from Nashville according to our data. Delta is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 6 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Nashville Intl Airport to Idaho?

Prices for flights from Nashville Intl Airport to Idaho were last updated today.

How many operators does momondo search for flights from Nashville Intl Airport to Idaho?

As of December 2025, there are 6 operators available to choose from for flights from Nashville Intl Airport to Idaho.

How old do you have to be to fly from Nashville Intl Airport to Idaho?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Nashville Intl Airport to Idaho.

What documentation or ID do you need to fly to Idaho?

The necessary travel and health documents for your Idaho trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$115 Cheap Flights from Nashville to Idaho in 2025/26

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Find the cheapest flights from Nashville to Idaho

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:31 pm - 11:17 am

BNA

BOI

16h 46m1 stop

1:55 pm - 11:57 pm

BOI

BNA

9h 02m1 stop

$204Multiple Airlines

Thu, Jan 8 - Sun, Jan 11

7:00 am - 3:10 pm

BNA

BOI

9h 10m1 stop

1:55 pm - 11:57 pm

BOI

BNA

9h 02m1 stop

$216Alaska Airlines

Thu, Jan 22 - Sun, Jan 25

5:15 am - 1:08 pm

BNA

BOI

8h 53m1 stop

1:58 pm - 9:21 pm

BOI

BNA

6h 23m1 stop

$217American Airlines

Sun, Jan 18 - Sun, Jan 25

10:19 am - 7:25 pm

BNA

BOI

10h 06m2 stops

1:58 pm - 9:21 pm

BOI

BNA

6h 23m1 stop

$222American Airlines

Thu, Jan 22 - Sun, Jan 25

7:00 am - 12:44 pm

BNA

GEG

7h 44m1 stop

1:38 pm - 11:57 pm

GEG

BNA

8h 19m1 stop

$225Alaska Airlines

Thu, Jan 29 - Mon, Feb 2

7:00 am - 5:06 pm

BNA

GEG

12h 06m1 stop

5:45 am - 11:57 pm

GEG

BNA

16h 12m1 stop

$226Alaska Airlines

Thu, Jan 22 - Mon, Jan 26

7:35 am - 2:58 pm

BNA

GEG

9h 23m1 stop

3:25 pm - 11:51 pm

GEG

BNA

6h 26m1 stop

$227Delta

Wed, Mar 4 - Sun, Mar 8

7:00 am - 4:00 pm

BNA

BOI

10h 00m1 stop

1:45 pm - 11:52 pm

BOI

BNA

9h 07m1 stop

$227Delta

Wed, Mar 25 - Tue, Mar 31

6:10 am - 3:21 pm

BNA

GEG

11h 11m2 stops

6:53 am - 5:27 pm

GEG

BNA

8h 34m1 stop

$242United Airlines

Tue, Jan 27 - Sat, Jan 31

6:10 am - 3:21 pm

BNA

GEG

11h 11m2 stops

5:00 am - 3:48 pm

GEG

BNA

8h 48m2 stops

$247United Airlines

Tue, Jan 27 - Sat, Jan 31

American Airlines flights from Nashville to Idaho

Our best American Airlines deals on Nashville to Idaho flight tickets

American Airlines

Jan 18

BNA5:15 amNashville Intl

8h 53m

1 stop

BOI1:08 pmBoise Air Term. Gowen Fld

Jan 25

BOI1:58 pmBoise Air Term. Gowen Fld

6h 23m

1 stop

BNA9:21 pmNashville Intl

$217

Find similar

American Airlines

Jan 22

BNA10:19 amNashville Intl

10h 06m

2 stops

BOI7:25 pmBoise Air Term. Gowen Fld

Jan 25

BOI1:58 pmBoise Air Term. Gowen Fld

6h 23m

1 stop

BNA9:21 pmNashville Intl

$222

Find similar

American Airlines

Feb 3

BNA6:43 amNashville Intl

8h 39m

1 stop

BOI2:22 pmBoise Air Term. Gowen Fld

Feb 4

BOI1:58 pmBoise Air Term. Gowen Fld

6h 23m

1 stop

BNA9:21 pmNashville Intl

$271

Find similar

Alaska Airlines flights from Nashville to Idaho

Our best Alaska Airlines deals on Nashville to Idaho flight tickets

Alaska Airlines

Jan 22

BNA7:00 amNashville Intl

9h 10m

1 stop

BOI3:10 pmBoise Air Term. Gowen Fld

Jan 25

BOI1:55 pmBoise Air Term. Gowen Fld

9h 02m

1 stop

BNA11:57 pmNashville Intl

$216

Find similar

Alaska Airlines

Jan 29

BNA7:00 amNashville Intl

7h 44m

1 stop

GEG12:44 pmSpokane

Feb 2

GEG1:38 pmSpokane

8h 19m

1 stop

BNA11:57 pmNashville Intl

$225

Find similar

Alaska Airlines

Feb 5

BNA7:00 amNashville Intl

17h 01m

1 stop

BOI11:01 pmBoise Air Term. Gowen Fld

Feb 8

BOI3:43 pmBoise Air Term. Gowen Fld

7h 14m

1 stop

BNA11:57 pmNashville Intl

$226

Find similar

Fly from

Fly to

Route

Depart

Return

Price

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Thu 1/8

7:31 pm-11:17 am

1 stop16h 46m

Boise Air Term. Gowen Fld

Sun 1/11

1:55 pm-11:57 pm

1 stop9h 02m

$204

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Thu 1/22

7:00 am-3:10 pm

1 stop9h 10m

Boise Air Term. Gowen Fld

Sun 1/25

1:55 pm-11:57 pm

1 stop9h 02m

$216

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Sun 1/18

5:15 am-1:08 pm

1 stop8h 53m

Boise Air Term. Gowen Fld

Sun 1/25

1:58 pm-9:21 pm

1 stop6h 23m

$217

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Thu 1/22

10:19 am-7:25 pm

2 stops10h 06m

Boise Air Term. Gowen Fld

Sun 1/25

1:58 pm-9:21 pm

1 stop6h 23m

$222

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Thu 1/29

7:00 am-12:44 pm

1 stop7h 44m

Spokane

Mon 2/2

1:38 pm-11:57 pm

1 stop8h 19m

$225

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Thu 1/22

7:00 am-5:06 pm

1 stop12h 06m

Spokane

Mon 1/26

5:45 am-11:57 pm

1 stop16h 12m

$226

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Wed 3/4

7:35 am-2:58 pm

1 stop9h 23m

Spokane

Sun 3/8

3:25 pm-11:51 pm

1 stop6h 26m

$227

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Wed 3/25

7:00 am-4:00 pm

1 stop10h 00m

Boise Air Term. Gowen Fld

Tue 3/31

1:45 pm-11:52 pm

1 stop9h 07m

$227

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Tue 1/27

6:10 am-3:21 pm

2 stops11h 11m

Spokane

Sat 1/31

6:53 am-5:27 pm

1 stop8h 34m

$242

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Tue 1/27

6:10 am-3:21 pm

2 stops11h 11m

Spokane

Sat 1/31

5:00 am-3:48 pm

2 stops8h 48m

$247

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Nashville to Idaho

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Idaho?

In general, August is the cheapest month to fly from Nashville to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $314. If you don’t want to visit Idaho in August, then you should wait until September to fly from Nashville, when ticket prices are also cheap, with an average price of $324.

What is the cheapest day to depart on your flight to Idaho?

Our data shows that Tuesday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $360. On the other hand, Sunday is the most expensive day to depart from Nashville because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $537.

What is the cheapest time of day to depart on your flight to Idaho?

According to our data, the cheapest time of day to fly to Idaho is in the afternoon. momondo users have found flights departing from Nashville to Idaho in the afternoon for as low as $381. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Idaho, so prices are often more expensive at around $547 per ticket.

How far in advance should I book a flight to Idaho?

You are more likely to see cheaper flights to Idaho from Nashville when booking weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $398 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from Nashville for as low as $323 on momondo.

Can stopping save me money on Nashville to Idaho flights?

You could potentially save up to 80% on your flight if you consider stops on a Nashville to Idaho flight.

Cheap Nashville to Idaho flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Nashville to Idaho

Fastest flight time	5h 23m
Direct flights	None

The fastest flight from Nashville to Idaho takes 5h 23m

There are no direct flights from Nashville to Idaho. There are no popular flight routes from Nashville to Idaho.

Search flight deals

When did momondo last update prices for flights from Nashville Intl Airport to Idaho?
Prices for flights from Nashville Intl Airport to Idaho were last updated today.
How many operators does momondo search for flights from Nashville Intl Airport to Idaho?
As of December 2025, there are 6 operators available to choose from for flights from Nashville Intl Airport to Idaho.
How old do you have to be to fly from Nashville Intl Airport to Idaho?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Nashville Intl Airport to Idaho.
What documentation or ID do you need to fly to Idaho?
The necessary travel and health documents for your Idaho trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Nashville to Idaho

Compare and see reviews for airlines that fly from Nashville to Idaho with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $155	Free Cancellation	Rating 5.8 3,075 reviews	Search Frontier flights
Delta	PriceFrom $208	Free Cancellation	Rating 7.9 8,014 reviews	Search Delta flights
Alaska Airlines	PriceFrom $237	Free Cancellation	Rating 8.0 11,510 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $256	Free Cancellation	Rating 7.2 11,054 reviews	Search American Airlines flights
United Airlines	PriceFrom $270	Free Cancellation	Rating 7.4 9,105 reviews	Search United Airlines flights
Southwest	PriceFrom $324	Free Cancellation	Rating 8.0 4,253 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Nashville to Idaho?

Finding the right flight to Idaho from Nashville is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Idaho quick and easy, saving you time and money.

Can I find flights from Nashville to Idaho with flexible booking policies on momondo?

Yes. All flights to Idaho from Nashville on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Nashville to Idaho?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Idaho from Nashville.

I’m not ready to book a flight from Nashville to Idaho right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Idaho from Nashville. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.